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Overview
| Comment: | In the OP_Column opcode, only test the btree payload size for exceeding the string length limit if the payload does not fit on a single page. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 35c7f6cba6febf2480de01fca9d61b80 |
| User & Date: | drh 2015-11-20 13:33:56 |
Context
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2015-11-20
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| 19:22 | Refactor the VdbeCursor object. It is now slightly smaller and faster and is easier to understand. check-in: 9b1d174d user: drh tags: trunk | |
| 13:49 | Merge all the latest enhancements and fixes from trunk. check-in: 41c8b8e3 user: drh tags: begin-concurrent | |
| 13:33 | In the OP_Column opcode, only test the btree payload size for exceeding the string length limit if the payload does not fit on a single page. check-in: 35c7f6cb user: drh tags: trunk | |
| 13:17 | Enhancements to a comment in sqliteInt.h. No changes to code. check-in: 5446ae64 user: drh tags: trunk | |
Changes
Changes to src/vdbe.c.
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VVA_ONLY(rc =) sqlite3BtreeDataSize(pCrsr, &pC->payloadSize);
assert( rc==SQLITE_OK ); /* DataSize() cannot fail */
pC->aRow = sqlite3BtreeDataFetch(pCrsr, &avail);
}
assert( avail<=65536 ); /* Maximum page size is 64KiB */
if( pC->payloadSize <= (u32)avail ){
pC->szRow = pC->payloadSize;
}else{
pC->szRow = avail;
}
if( pC->payloadSize > (u32)db->aLimit[SQLITE_LIMIT_LENGTH] ){
goto too_big;
}
}
pC->cacheStatus = p->cacheCtr;
pC->iHdrOffset = getVarint32(pC->aRow, offset);
pC->nHdrParsed = 0;
aOffset[0] = offset;
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> > < < < |
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VVA_ONLY(rc =) sqlite3BtreeDataSize(pCrsr, &pC->payloadSize);
assert( rc==SQLITE_OK ); /* DataSize() cannot fail */
pC->aRow = sqlite3BtreeDataFetch(pCrsr, &avail);
}
assert( avail<=65536 ); /* Maximum page size is 64KiB */
if( pC->payloadSize <= (u32)avail ){
pC->szRow = pC->payloadSize;
}else if( pC->payloadSize > (u32)db->aLimit[SQLITE_LIMIT_LENGTH] ){
goto too_big;
}else{
pC->szRow = avail;
}
}
pC->cacheStatus = p->cacheCtr;
pC->iHdrOffset = getVarint32(pC->aRow, offset);
pC->nHdrParsed = 0;
aOffset[0] = offset;
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